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Annotation of 43BSD/ucb/pascal/pdx/runtime/wheredump.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char sccsid[] = "@(#)wheredump.c        5.1 (Berkeley) 6/6/85";
        !             9: #endif not lint
        !            10: 
        !            11: /*
        !            12:  * Print a list of currently active blocks starting with most recent.
        !            13:  */
        !            14: 
        !            15: #include "defs.h"
        !            16: #include "runtime.h"
        !            17: #include "frame.rep"
        !            18: #include "sym.h"
        !            19: #include "machine.h"
        !            20: #include "object.h"
        !            21: #include "mappings.h"
        !            22: 
        !            23: where()
        !            24: {
        !            25:     FRAME *frp;
        !            26:     ADDRESS prevpc;
        !            27:     LINENO line;
        !            28:     SYM *f;
        !            29: 
        !            30:     if (pc == 0) {
        !            31:        error("program is not active");
        !            32:     }
        !            33:     prevpc = pc;
        !            34:     for (frp = curframe(); frp != NIL; frp = nextframe(frp)) {
        !            35:        f = whatblock(entry(frp));
        !            36:        line = srcline(prevpc);
        !            37:        printf("%s", name(f));
        !            38:        printparams(f, frp);
        !            39:        printf(", ");
        !            40:        printwhere(line, srcfilename(prevpc));
        !            41:        printf("\n");
        !            42:        prevpc = frp->save_pc;
        !            43:     }
        !            44:     line = srcline(prevpc);
        !            45:     printf("%s, ", name(program));
        !            46:     printwhere(line, srcfilename(prevpc));
        !            47:     printf("\n");
        !            48: }
        !            49: 
        !            50: /*
        !            51:  * Dump the world to the given file.
        !            52:  * Like "where", but variables are dumped also.
        !            53:  */
        !            54: 
        !            55: dump()
        !            56: {
        !            57:     FRAME *frp;
        !            58:     ADDRESS prevpc;
        !            59:     LINENO line;
        !            60:     SYM *f;
        !            61: 
        !            62:     if (pc == 0) {
        !            63:        error("program is not active");
        !            64:     }
        !            65:     prevpc = pc;
        !            66:     for (frp = curframe(); frp != NIL; frp = nextframe(frp)) {
        !            67:        f = whatblock(entry(frp));
        !            68:        line = srcline(prevpc);
        !            69:        printf("%s", name(f));
        !            70:        printparams(f, frp);
        !            71:        printf(", ");
        !            72:        printwhere(line, srcfilename(prevpc));
        !            73:        printf("\n");
        !            74:        dumpvars(f, frp);
        !            75:        putchar('\n');
        !            76:        prevpc = frp->save_pc;
        !            77:     }
        !            78:     line = srcline(prevpc);
        !            79:     printf("%s, ", name(program));
        !            80:     printwhere(line, srcfilename(prevpc));
        !            81:     printf("\n");
        !            82:     dumpvars(program, NIL);
        !            83: }

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